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Finding the Fourth Proportional to 286,655.60, 395,474.44 and 184,673.36

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Solution

The fourth proportional to 286,655.60, 395,474.44 and 184,673.36 is: 254,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,655.60 : 395,474.44 = 184,673.36 : x
  2. Step 2: Convert to fraction form
    286,655.60/395,474.44 = 184,673.36/x
  3. Step 3: Cross multiply
    286,655.60x = 395,474.44 × 184,673.36
  4. Step 4: Simplify right side
    286,655.60x = 73,033,593,628.92
  5. Step 5: Solve for x
    x = 73,033,593,628.92/286,655.60
  6. Step 6: Final answer
    x = 254,778.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.